Talking machine



Jan 27, 1925.

1,524,411 A. SONDHEIMER TALKING MACHINE Filed Jan. 1918 3 Sheets-Sheet 1 36 a9 19; .38 17 ,198 7 I 1. m 413 ,1

l HI I! h um I 36 E 4 5 57 t I E WITNESS: J? mmvron Am A rronwsy' Jim. 27,1925- 1,524,411

A. SONDHEIMER TALKING: MACHINE Filed Jan. 1918 3 sheets sheet 2 M HIS ATTORNEY Patented Jan. 2'7, 1925.

UNIT ED ATQES LSZtAll nLrnnn scnnrininin'a, or Bacon-ma, NEVJ YORK.

TALKING MACHINE.

Application filed January 3', 1918. Serial. No. 210,133.

1 '0 all whom it may concern:

Be it known that I, ALrnnnSoNDrimMnR, a subject of the Emperorofv Germany, residing. at Brooklyn, in thecounty of Kings and State of New York,have-invented cer tain new and useful Improvementsin. Tall;-

ing Machines, of which the following is a specification.

Some of. the objectsof this invention are to provide-an improved collapsible-talking machine which may. be folded from. anzoperative condition into a compact inoperative condition fortransportation or storage; to provide in a. talking machine an improved mounting for a tone arm; to provide an improved sound amplilien; to. provide in a talking machine improved meansformodifying the soundsproduced; to provide in a talking machine an. improvedcasing arrangedto. enclose the motor when the machine is in operation andto enclose the motor and alsovarious other parts when the machine is not in operation; to provide an improvedmotor for talking machines.;. to provide in a motor an improvedbralle. and governor; and to provide other improvements, as will appear hereinafter.

In the accompanying drawings, Fig. tie a side elevation of a talking machine constructed. in accordance with this. invention and in its collapsed or. folded inoperative condition; Fig.2 a top: planview: of the same; Fig, 3 a fragmentary side elevation of the same, partly in vertical section and showing the parts in operative position; Fig. 4 a fragmentary top planview. of the same showingson'ie-of'thc parts in their inoperative positions within the casing; Fig. 5 an enlarged transverse vertical section on line of Fig. 3; Fig. 6 an enlarged vertical central section through portions. of this improved machine; Fig. 7 a=tra-nsverserscction on line 7.7 of Fig. 6; Fig. .8 an end view partly in vertical section ofatdetailofthe parts shown in Fig. 6; Fig. 9 an. enlarged fragmentary perspective, partly. in vertical section, of the lower portion, of themachine; and Fig. 10 is a horizontal section onlin 10'l0 of Fig. 6.

Referring to the drawings, one embodiment of this invention comprises atalliing machine including an. oblong rectangular casing having a fiat bottom wall 26,. two verticalparallel end walls 27 and 28, two vertical parallel side walls 29 and 30, and .a top wall orcover 35, which overlaps the upper edges of the end walls 27 and 28 and side walls 29 and 30, and covers the entire area between the outer surfaces of the end walls 27 and 28 and side walls 29 and 30. Thetop wall or cover includes a comparatively wide sectionfiti which is secured fixedly in position in any'suitable manner over the front endof the body portion of the casing, a relatively narrow sectioni37 which is fixedly secured over the rear end of the body portion ofthe casing, an auxiliary movable section 38 which is hinged as at 39 to the front section 36 to open outwardly with respect. thereto, and a main movable section eo-which is hinged as at 46 to the rearmost section 37 to open outwardly with respect. thereto. The main movable section forms a part of an amplifier, as will appear hereinafter, and the auxiliary section 38 is arranged to hold the sound amplifier either in a predeterminedoperative position or in a predetermined inoperative position, as will appear hereinafter. The casing25 is preferably provided with a strap 4-? which is terminally secured to the outer surface of one side 29 of the casing, to provide a handle whereby the casing may be con veniently. carried. The top sections 36, 38 and 45 are preferably in'the form of soundingboards.

For rotating a sound record, there is enclosed within the front end of the casing 2-5 ainotor 50 which is arranged beneath and rigidly supported by a normally horizontal motor board which extends across the full width of the casing 25 and which is rcmo-vably supported upontwo cleats 5i; and 57 which are rigidly secured against the innersurfaces ofthe side wallsQS and respectively. This motor board 535 is preferably, although notnecessarily, in the form of a sounding board. The motor 50 includes two horizontal, rectangularplates and 5.) which. are spaced. vertically apart by four vertical sleeves (30 through which extend respectively four vertical bolts 61, the upper ends of which proje t upwardly through the motor board 55 and are rigidly clamped in position byfour nutsGQ... 'ilhe lowcr ends of these bolts (.31 are headed or riveted, over the lower surface of the lower plate 59, and these bolts act to clamp the two plates 58 and-59 rigidlydn position. The motor 50 also includes a spring barrel ($3 of any well known or suit-able construction arrange-l around a. vertical rotary spring barrel shaft 64 to be rotated about a fixed vertical axis by one or more springs contained within the spring barrel. These springs are arranged to be wound up in a. well known manner by any suitable means actuated by a detachable crank 65, which when in operation extends through an opening 65 provided therefor in one of the side walls 29. The spring barrel 63 actuates a gear 66 which actuates a pinion 67 rigid with a countershaft 68, and which has rigid therewith a gear 69 which engages a. pinion 70 rigid with a vertical turntable spindle 71 which is held against vertical movement, and the upper end 7 20f which extends loosely through a circular opening 73 provided therefor in the motor board 55, and projects loosely within and is coaxial with a circular opening "[3 provided therefor in the front section 36of the top wall 35, the

upper end 72 of the turntable spindle 71 terminating slightly below the plane of the upper surface of the front section 36 of the top wall and being preferably tapered upwardly to receive the turntable.

Arranged above the top wall is a turntable o r-record support 75 which is provided with a downwardly extending hub 7 6 rigid therewith and having an inwardly tapering socket 77 adapted to fit snugly over the upper end of the turntable spindle 71, and loosely within the openings 73 and 73 in the motorboard 55 and top section 36 respectively. The turntable 7 5 is provided centrally upon its upper side with a centering pin 78 rigid with the turntable and arranged to project through the opening which is ordinarily provided. in the center of the sound record 80 which the turntable is intended to support. The turntable 75 is preferably provided with a marginal flange 81 integral therewith and is preferably slightly less in diameter than the width between the inner surfaces of the side walls 29 and 30 of the casing 25, and is arranged so that it may be readily removed from the turntable spindle 71 and stored in an inverted, inclined position beneath the lower horizontal plate 59 of the motor, and held in position by means of a spring clip 85, one end of which is rotatably clamped against the upper surface of the bottom wall 26 by a screw 86 or other suitable means, and the other end of which engages loosely in a recess 87 provided therefor in a lug 88 which is provided for this purpose upon theunder side of the turntable 75 to which it is rigidly secured.

The spring is provided with two longitudinal crimps, one of which is arranged to embrace the rim 81 of the turntable 75, and the other of which is arranged to embrace and press down upon the winding crank 65 and hold it securely in an inoperative position against the under side of the turntable. and with its opposite ends against the inner surface of the flange 81 of the turntable, as shown in full lines in Figs. 4 and 9. 'hen the turntable 75 is thus arranged in its inoperative position, as shown in dotted lines in Fig. 3 and in full lines in Fig. 5, the hub 76 of the turntable extends upwardly and fits snugly in a slot or recess 89 provided therefor in the rear edge of the lower plate 59 of the motor.

For reproducing sounds from a record 80 mounted upon the turntable 7 5, a sound box 90 of any well known or suitable construction is provided. The sound box shown in the drawings includes a cylindrical casing 91 provided with a vibratory circular diaphragm 92 which is arranged to be vibrated by a stylus bar 93 which is arranged to oscillate with respect to the casing 91 about a fixed axis, and which is provided at its outer end with a removable stylus 94 which is clamped in position by a set screw 95. The sound box 90 is mounted upon the free end of a tapering hollow sound box arm ortone arm and is preferably arranged to be rotatably adjustable with respect to the arm 100 through 90 degrees so that the sound box may be arranged either with its diaphragm 92 substantially perpendicular to the plane of the record 80 and with the stylus 94 correspondingly arranged to cooperate with a record of the lateral or zig-zag type, or with the diaphragm rotated through 90 degrees from its vertical position and into a position arranged in a plane oblique to the plane of the record 80 and with the stylus 94 correspondingly positioned to cooperate with a. vertical or hill and dale record. The sound box is ar ranged to be held in either position of ad justment by means of a knurled set screw which extends loosely through a slot 106 provided therefor in the neck of the sound box and is threaded into the free end of the tone arm 100. For supporting the larger end of the tone arm 100, the larger end of the tone arm is slightly reduced in diameter and is of a cylindrical form and fits snugly but rotata-hly in a cylindrical socket 109 provided therefor in one end of a tubular carrier 110, the other end of which is enlarged and is in the form of a zone of a sphere externally, providing a ball 11]. The carrier 110 is provided with a longitudinal opening 110, the longitudinal axis of which is in the form of an obtuse angle so that when the sound box 90 is in a central position on the record, the outlet of the carrier will be centrally arranged as shown in Fig. 10.

The tone arm 100 is arranged to be freely rotatable with respect to the carrier 116 about the longitudinal axis of the tone arm and through about 100 degrees to permit the sound box to be inverted from the position shown in Fig. 3 in which its diaphragm is vertical, to a position in which the diaphragm will be in a planenbove tlie tone arm and in a plane slightly inclined with respect to the plane of the record 80. This ro- .tary moven'ient of the. tone .(111111100 with respect to its carrier 110 is controlled and limited bymeans of a set screw orstop "112 which ext-ends loosely through an oblong arcuate slot 113 provided therefor inthetubular carrier 110- and is threaded into the reduced cylindrical portion of the tone arm 10.0. The stop 112 is ordinarily so adjusted as to permit the tone arm 1.00 to be rotated about its longitudinal axis freely between the limits of rotation determined by the stop 112 and the end walls of the slot 113,. and the stop 112 and the slot 113 are so arranged that when the tone arm 100 is at the limit of its-movement in one direction, the diaphragm 92 of the sound box will be vertical, and so thatwhen the tone arm L100. is at the limit of itsmovement. in; ano-pposite direction, the sound box 90 will rest in an inoperative inverted position above thetone arm 10.0 and with: its diaphragm Q2 slightly inclined with respect, to the horizontal. The tone arm and the sound :b XQO carried thereby may be readily. detached tromsthe tubular carrier 'by removing the screw 112 and withdrawingthe tone arm longitudinally from the carrier. After thetene arm and its soundboX havebeen thus re moved from the carrier 110, the screw 1:12 is again threaded into the tone arm, and the tone arm withthe sound terse attached may then be stored within the casing 25in a suitable space provided therefor on one side of the motor 50, as shown in'dottedi lines in Fig. 3 and in full lines in Figs. tand 5, thetone arm 100. being held in a fixed position by means of a spring 011133113: provided for this purpose, and rigidly secured against the inner surface of one of the side walls .30 by means of screws 114 or any other itable means.

The ball 111 is positioned within a ring 115 and coaxially therewith, and is arranged to swing with respect theretoaloout ahorizontal axis fixed with respect to the ring upon two diametrically opposed pivots 116 which are threaded through the ring 115, and which engage snugly in cylindrical sockets 117 provided therefor in the-ball 111. The ring 115 is arranged to rotate about a fixed vertical axis upon a. pin 120 rigidtherewith and projecting downwardly therefrom, and which engages snugly but rotatively in. a. cylindrical socket 121 provided therefor in a lug 122 rigid with and projectinglaterally from a rigid standard 128 which extends upwardly from and is rigid with a fiat base plate 125. The base plate .125 ispreferably rigidly secured to the upper surf-ace of a flat rectangular base board 126, which liesentirely between the planes of the inner surfa es of the v ti al ide w lls 29a1 l 3.0 a is rig dlysecured to the main movable sec tion- 15 and 1s arranged 1n a plane perpendicular thereto and. so that the upper surface -,of the base board 126 is in a planewith the lower or rear edgeo f the movable section a5,

; and so that the r-ear edge ot the base board 1261s 111a plane with the nner -or under surface of the movable sectioned Tlhe base of the lug1122and will prevent the sound 'box from falling solow that the stylus will engageagainst the upper surface the top wall .35 of the casing 25.

For directing in a giyen direction the iQ'L llCl delivered from v the tone arm 100 through the tubular-carrier 11.0, the upper end of the standard123 is provided with a hollow sound director which maybe integral with the-standard 123" or. rigidly secured thereto. fflared exteriorly and interiorly from its cen- This director is preferably tral portion in opposite dlrections, and the inner end of the director iscupped and titted snugly around the ball 111 andhas an extreme diameter slightly lessjthan the inner diameter of the ring'115 so that as the 115is rotated about its vertical axis, it may p s o er ither e ge f he sla e-a a d lot the director, the cupped end of the director being pnowidged .with two diametrically op- Posed recesses 1 ,10 arranged toreceive the two pivots 116 respectivelyand alternately as the;ring ll is. oscillated about its er t1- .caliams. The inner end of the d tor 135 s pr f ably ubstan a y lr a in shape both exteri'orly and interiorly and is arranged sothat itsdongituclinal axis is substa-ntially parallelto. the baseboard 126 and normally lIOl'lZQQtfilWlle ll the machine is in operation. Although the base plate 125 is preferablyrigidly secured to the base board 126, the parts supported thereby are ordinarily su'liiciently heavy to hold the base plate 125 .in a stationary position without havingit rigidly seen-red to the base board 125- For amplifying and reversing the direction of the sound deliveredthrough thedrector 13 5, a sound amplifier is provided,

which includes two vertical sounding. boards which are arranged in the angle between the base board126and the movable section 1:5 in: planes perpendicular to thebase board 126. These sounding boards diverge for ward y-fr he m v b e s c on a d h lowerfiedgts of these sounding boards are loo ' inner surface of the main movable section 45. The upper edges of these sounding boards extend from the main movable section a short distance parallel to the base board 126 as at 151 and then are inclined forwardly and upwardly in straight lines as at 152 and are joined by aflat rectangular top sounding board 155 which is rigidly secured to the upper edges of the sounding boards 150, and which is but slightly less in width than the width between the inner vertical surfaces of the side walls 29 and 30.

Spaced slightly in front of and parallel to the movable section 45 is a rectangular sounding board 156, the lower edge of which is rigidly secured to the upper surface of the base board 126 and the upper edge of which is rigidly securedto the under surface of the top board'155. The vertical edges of this sounding board 156 are rigidly secured to the two surfaces of the sounding boards 150 respectively. Arranged in front of the vertical sounding board 156 is a rectangular inclined sounding board 157, the lower edge of which is rigidly secured to the upper surface of the base board 126 and the upper edge of which is rigidly secured to the inner surface of the sounding board 156. The vertical edges of this inclined board 157 are rigidly secured respectively to the inner surfaces of the two vertical sounding boards 150. The space- 160 between the movable section 45 and the sounding board 156 is entirely closed and acts as a resonance chamber, and the space 1161 between the inclined sounding board 157, the base board 126, and the vertical sounding board 156 is also entirely closed "and also acts as a resonance chamber.

A needle receptacle 162, of'any suitable construction, may be secured upon the upper surface of the base board 126 and in the exterior angle between the movable section 45 and one of the vertical sounding boards 150.

For modifying the quality and volume of the sound delivered into the sound amplifier through the director 1355, a conical closure 165, made of felt or any other suitable material, is securely clamped upon one end of a normally horizontal plunger 166 which is coaxial with the director 135 and which is arranged to reciprocate longitudinally in a sleeve or bushing 167 which extends snuglythrough the movable section 45 and the sounding board 156 and which is held securely in place in any suitable manner. The outer end of this plunger 166 extends rearwardly from the movable section 45 and is provided at its outer end with a knurled knob 168 rigidly secured thereby, and whereby the plunger may be convenientlymoved longitudinally in either direction.

This knob 168 is so arranged that when the closure is in enga ement with the inner surface of the COIllCfiil. end ofthe director 135, as shown in dotted lines in Fig. 6, the inner surface of the knob 168 will be flush with the outer surface of the movable section 45 and will rest against the outer surface of the sleeve 167, as shown in dotted lines in Fig. 6. The plunger 166 is arranged to be held in its innermost position by means of a pin 169 which is secured in the plunger 166 and which slides in an internal slot provided therefor in the sleeve 167 as the plunger 166 is moved from its outermost position towards its innermost position.

When the plunger 166 is in its innermost position, the pin 169 will be in a position just inside the inner end of the sleeve 167, and

by then rotating the knob 168 slightly the pin 169 will be moved out of alinement with the slot 170 and into engagement with the inner end of the sleeve 167 to prevent the accidental movement of the plunger 166 outwardly. The plunger 166 is thus locked in its innermost position when it is desired to fold the machine into its most compact form. When the plunger 166 is thus arranged in its innermost locked position, the knob 168 will be in the position shown in dotted lines in Fig. 6 and in full lines in Fig. 1 and will serve as a convenient means for raising the amplifier from its inoperative to its operative position. By varying the distance of the closure 165 from the conical end of the director 135, corresponding variations in the quality and volume of the sound delivered into the amplifier may be produced.

For holding and locking the sound amplifier 145 either in an operative position, as shownin full lines in Fig. 3,{or in an inoperative position, as shown in dotted lines in Fig. 3, the front or free edges of the movable top section 45 and the base board 126 are provided respectively with two marginal undercut recesses 17 5 and 176 which are spaced equally from the axis of oscillation of the amplifier and which are arranged to receive alternately a. tongue or flange 177 provided therefor along the inner edge of i the auxiliary top section 38, the arrangement being such that when the tongue 177 is in the recess 175, the upper and lower sun faces of the movable section 45 and the auxiliary section 38 will be flush and! in the same planes respectively as the upper and lower surfaces of the fixed top sections 36 and 37, and when the tongue 177 is in the recess 176 the upper and lower surfaces of the base sounding board 126 and the auxiliary top section 38 will be flush and in the same planes respectively as the upper and lower surfaces of the top sect-ions 36 and 37. Vhen the parts are in operative positions as shown in Fig. 3 the top sections 36, 38 and ill) loll

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37and the base board 126 form a substantially continuous sounding'board;

For locking the sound amplifier 145m its inoperative position, as shown in dotted lines in Fig, 3, a latch 185 is arranged against the outer surface of one of the side walls 29 to be moved longitudinally in either direction upon two headed screws 18?, and 188. which extendflloosely through two elongated slots 18921.net 190 provided therefor. in thelatch and are threaded into the side wall 29. This latch 185 is provided with two horizontal lingers 190 and 191 integral tl'ierewith, which are arranged to be moved simultaneously into or out of engagement with a headed screw 195tl1readedi into one edge of the auxiliary section 38 and a screw 198 threaded into one edge ofthemain movable section 45, when the movable section 45 iselosed; One end of the latch 185 is preferably turned outwardly to, provide a handle 199 whereby the latch may be conveniently operated longitudinally. W hen the ma-- chine is in its folded and locked inoperative condition, as shown in Figs. 1 and 2, and it is desired to place the parts of the machine in their operative positions, the latch, 185 is first moved towards the left, as shown in 1, to release the auxiliary top section 38 and the movable top section 45. These two sections are then swung outwardly as far as possible and the turntable 7 5, winding crank 65 andthetone arm 11 and its sound box 90 are taken out of the casing 25. The auxiliary top section 38 is then closed and the amplifier 145 is then swung inwardly.

until the free edge of the base board 126 rests upon the flange 17-7 of the auxiliary section 38. The latch 185 is then moved into. an inoperative position to lock the auxiliary sect-ion 38 in position The hub of the turn table 75 is then placed over the upper end of the turntable spindle 71, the screw 112 is re moved from the larger end of the tone arm 100. and the larger end ofthe tone arm is inserted in the socket 109 of the carrier, and the screw 112 is then inserted through the slot 113 and-threaded into the opening provided therefor in the tone arm.- The knob 168 is then rotated until the pin 169 engages in the slot 170,- whereupon the knob 168 is moved outwardly a suitable distance. The sound box.90 may now be'adj'usted, either for a zigezag record orforahill and dale record.- as the case may be, and the HIEIOlIlHG' is ready for operation By a process the reverse of the foregoing, the parts-may be returned to their inoperative positions.

For controlling the speedof the-motor50, this invention provides animproved combined governor and brake, comprisinganormally horizontal governor shaft 210 which is terminally supported for rotation in, two

brackets 211 w ichare rigidly secured '.re-.

spectively to two vertical posts 212 which are terminally securedto the two,horizontal motor. plates 58' and 59. This governor shaft 210 is provided with worm 215 rigid therewith, which is arranged to be rotated by a worm gearr 216 rigid with the turntable spin dle 71. Arranged to slide longitudinally of the governor shaft 210 is a friction disc 220, andconnecting the friction disc 220 and a collar 22,1 rigid with the shaft 210 are a plurality of springs 225 which have centrally and rigidly secured thereto respectively a corresponding plurality offly balls 226, the arrangement being such that as the speed of the motor increases the balls 226 will liy outwardly and will draw the friction disc 220 towards the right; asviewedin Fig. Extending loosely through -one.of the side walls 29 of the casing 25, and threaded through the adjacent post 212 is a normally horizontal shaft 230 which is provided on 11350111181 end with the hollow knurled knob 281, whereby the shaft may be rotated so as to. adjust theshaft. longitudinally in the post'2 1'2. Extending tightly but slidably within the'hollow shaft 280 is a rod 232, which terminates within the hollow shaft 230 and which is provided at its outer end with a knurled knob 235 whereby the rod 232 may be adjusted longitudinally within the shaft 230'. In longitudinal alinement with the rod 282 is. a rod 240 which has an outer end 241 which is reduced in diameter and which provides an annular shoulder 242;. Thereduced end 241 fits slidably in the inner end .of the hollow shaft 230. The rod.240 has an elongated, reduced portion 245 which extends slidably through the inner vertical post 212 and which isprovided on its inner end with a collar 246 adjustably threaded thereon and which serves as a stop to limit the movement of the rod245 towards the outer rod 232.

Rigidly secured. to the rod 240 and de pending downwardly therefrom is an arm or bracket 248, the lower end of which surrounds and is rigidly secured to a normally horizontal rod 249 which is terminally and adjustably supported in two apertures or bearings. 249 provided therefor in the two vertical posts 212 respectively and which serve to guide the rod 249. The bracket 248 carries a friction pad 250 rigidly secured" thereto, andwhich is ar ranged to engage'against the'right hand side of'the friction disc 220. spring 255 surrounds the rod 245 and is normally compressed between the bracket 248 and the corresponding vertical post 212 and tends to move the bracket 248 towards the right'to the limit of its movement as determined by the collar 246, or by the rod 232, or the hollow shaft 230, as the case may be.

In the operation of this improved gov- The spiral wards the friction disc 220 until the speed of the motor is adjusted as may be desired. Any variation in the speed of the motor is then ordinarily accomplished'by adjusting the hollow shaft 230 longitudinally. When,

however, it is desired to stop the motor, the outer knob 235 is pushed inwardly, and this brings the inner end of the rod 232 into'engagement with the outer end of the reduced portion 2&1 of the rod 240 and forces the rod 2&0 rearwardly until the friction pad 250 is pushed against the friction disc 220 with sufficient force to stop the motor. 'Ordinarily the rod 232 could be made to fit so snugly within the hollow shaft 230 that it would hold the brake pad 250 in any desired position of adjustment to stop the motor without requiring the operator to continue pressing upon the knob 235. To provide a sufiicient amount of friction between the rod 232 and the hollow shaft 230, the rod 232 might he split longi tudinally throughout its inner portion and the two halves of the split portion might be normally spread apart so as to tend to separatewhen arranged within the hollow shaft 230 and thus produce the desired amount of friction It is thought, however, that the rod 232'may be so snugly fitted within the hollow shaft 230 that it would not be neces-- sary to have the rod 232 split as just described.

Although I'have disclosed only one form in which this invention is embodied, it is to be understood that the invention is not limited to any particular construction, but might be embodied in various forms without departing from the spirit of the inven-- tion or the scope of the appended claims.

Having thus fully described my invention, I claim and desire to protect by Letters Patent: 7.

1. A talking machine comprising a hollow movable sound amplifier, stationary hollow sound directing means arranged to deliver sound' into said amplifier, and means carried by said. amplifier and movable towards and away from said sound direct ing means for varying the effective area of the sound outlet of said sound directing means. i

2. A talking machine comprising a casing having a normally substantially horizontal top wall including a main movable section arranged to swing about a normally horizontal axis and an auxiliary movable section arranged to swing about a horizontal axis,

a base wall secured to said main movable section and arranged to project in said casing when said main movable section is in a normally horizontal position, sound amplifying means arranged between said main movable section and said base wall and carried thereby, a tone arm support arranged within said amplifying means, a tone arm carried by said support, and sound reproducing means carried by said tone arm, said auxiliary movable section being normally arranged in the path of movement of said sound amplifying means but being movable out of said path to permit said sound amplifying means to be swung from an operative position projectin outside of said easing into a posit-ion wit iin said casing.

3. A talking machine comprising a casing including a top wall having a section movable about a normally substantially horizontal axis from a substantially horizontal, position into a substantially vertical position, a base wall secured to said movable sectionand so arranged that when said movable section is in a vertical position said base wall will lie in a substantially horizontal position and form a closure for a portion of said casing, sound amplifying means arranged between said base wall and said movable section, and sound reproducing means arranged to deliver sound into said amplifying means when said movable section is in an elevated position.

4:. A talking machine comprising a casing including a wall comprising a main movable section and an auxiliary movable section, said movable sections being arranged to swing about substantially parallel axes respectively, and sound amplifying means secured to said main movable section, said movable sections being in substantially the same plane when in closed position.

5. A talking machine comprising a cabinet including a casing provided with a wall having two movable sections arranged to swing about substantially parallel axes respectively from opened positions to closed positions, said sections being substantially in the same plane when in closed positions. sound amplifying means secured to oneof said sections and arranged to be entirely enclosed by said casing when said sections are in closed positions and said amplifying means being arranged to extend mainly outside of said casing when said movable section to which said ampli tying means is sccured .is in an open or operatiy e position.

6. A talking machine comprising a casing including a wall having a main movable section and an auxiliary movable section, said sections being arranged to swing about substantially parallel axes respectively, from closed positions to open positions and being substantially in the same 'plane when in closed positions, sound amplifying means secured to said inain movable section and projecting within said casing when said sections are in closed positions, and the major portion of said amplifying means projecting outside of said casing when said inain movable section is in an open position, said auxiliary movable section being arranged in a closed position and acting to support said amplifying means when said main movable section is in open position.

Signed at New York city, New York and State of New day of December, A. D. 1917.

ALFRED SONDHEIMER.

in the county of York, this 19th 

